noun

• (architecture) A covered entrance to a building, whether taken from the interior, and forming a sort of vestibule within the main wall, or projecting without and with a separate roof. A porch often has chair(s), table(s) and swings.
• A portico; a covered walk.
• The platform outside the external hatch of a spacecraft.
• A surname.
• (with definite article) The Stoic philosophy (after the public porch on the agora of Athens where Zeno taught).